Is L51.2 a billable ICD-10 code?

Yes. L51.2 (Toxic epidermal necrolysis [Lyell]) is billable and can be used for insurance claims. Always verify payer-specific requirements.

L51.2 ✓ Billable

Toxic epidermal necrolysis [Lyell]

Q: What is ICD-10 code L51.2?

ICD-10-CM code L51.2 stands for "Toxic epidermal necrolysis [Lyell]". It is a billable code in the Diseases of the Skin and Subcutaneous Tissue chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Diseases of the Skin and Subcutaneous Tissue

Code

L51.2

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Diseases of the Skin and Subcutaneous Tissue

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code L51.2?

ICD-10-CM code L51.2 represents Toxic epidermal necrolysis [Lyell]. It is a billable diagnosis code in the Diseases of the Skin and Subcutaneous Tissue chapter, effective October 1, 2025 – September 30, 2026.

Is L51.2 billable?

Yes. L51.2 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is L51.2 in?

L51.2 belongs to the Diseases of the Skin and Subcutaneous Tissue chapter (L00–L99) of ICD-10-CM.

Related codes in the L51 category

L51 Erythema multiforme Non-billable L51.0 Nonbullous erythema multiforme Billable L51.1 Stevens-Johnson syndrome Billable L51.3 Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndrome Billable L51.8 Other erythema multiforme Billable L51.9 Erythema multiforme, unspecified Billable

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